[OMPI users] Segmentation fault when Send/Recv on heterogeneous cluster (32/64 bit machines)

2010-02-28 Thread TRINH Minh Hieu
Hello, I have some problems running MPI on my heterogeneous cluster. More precisley i got segmentation fault when sending a large array (about 1) of double from a i686 machine to a x86_64 machine. It does not happen with small array. Here is the send/recv code source (complete source is in att

[OMPI users] Segfault in ompi-restart (ft-enable-cr)

2010-02-28 Thread Fernando Lemos
Hello, I'm trying to come up with a fault tolerant OpenMPI setup for research purposes. I'm doing some tests now, but I'm stuck with a segfault when I try to restart my test program from a checkpoint. My test program is the "ring" program, where messages are sent to the next node in the ring N t